147971715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3307}}^1$

素因数の和:3491

約数の個数: 32

約数和(自身を含む): 250878720

約数和(自身を除く): 102907005

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 471, 785, 2355, 2983, 3307, 8949, 9921, 14915, 16535, 44745, 49605, 62833, 188499, 314165, 519199, 942495, 1557597, 2595995, 7787985, 9864781, 29594343, 49323905, 147971715]

約数ペア:

[(1, 147971715), (3, 49323905), (5, 29594343), (15, 9864781), (19, 7787985), (57, 2595995), (95, 1557597), (157, 942495), (285, 519199), (471, 314165), (785, 188499), (2355, 62833), (2983, 49605), (3307, 44745), (8949, 16535), (9921, 14915)]